Center for Molecular Biology and Cytogenetics, SRL Inc., Japan

AlDS Research Center, National Institute of Infectious Diseases, Japan

AlDS Research Center, National Institute of Infectious Diseases, Japan

Department of Virology, Yokohama City Prefectural Public Health Laboratory, Japan

Department of Virology, Yokohama City Prefectural Public Health Laboratory, Japan

Center for Immunology St Vincent′s Hospital, Australia

School of Medicine, Yokohama City University, Japan

School of Medicine, Yokohama City University, Japan

Yokohama Municipal Citizen’s Hospital, Japan

Laboratory of Medical Science, St. Marianna University School of Medicine, Japan

Department of Virology, Kanagawa Prefectural Public Health Laboratory, Japan

Department of Virology, Kanagawa Prefectural Public Health Laboratory, Japan